.usage-page{width:100%;max-width:none;margin:0;padding:.75rem}.usage-page-title{letter-spacing:-.02em;margin:0;font-size:1.45rem;font-weight:700}.usage-toolbar{border-bottom:1px solid var(--border-subtle);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:.5rem;padding:.35rem .2rem .75rem;display:flex}.usage-summary{gap:var(--spacing-md);margin:var(--spacing-lg) 0;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));display:grid}.usage-stat{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-md)}.usage-stat-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.7rem}.usage-stat-value{color:var(--text-primary);margin-top:.25rem;font-size:1.5rem;font-weight:700}.usage-stat-sub{color:var(--text-muted);margin-top:.35rem;font-size:.75rem}.usage-stat-split{grid-template-columns:1fr 1fr;gap:.5rem;margin-top:.35rem;display:grid}.usage-stat-k{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.65rem;display:block}.usage-stat-v{color:var(--text-primary);margin-top:.15rem;font-size:1.1rem;font-weight:700;display:block}.usage-stat-grand{border-top:1px solid var(--border-color);color:var(--accent-primary,#6366f1);margin-top:.5rem;padding-top:.45rem;font-size:.85rem;font-weight:600}.usage-token-cost-cell{font-size:.78rem;line-height:1.45}.usage-tc-row{flex-wrap:wrap;align-items:baseline;gap:.35rem;display:flex}.usage-tc-label{text-transform:uppercase;color:var(--text-muted);min-width:1.4rem;font-size:.6rem}.usage-tc-cost{color:var(--text-muted);font-size:.65rem}.usage-stat-model{border-color:#6366f140}.usage-stat-total .usage-stat-value{color:var(--accent-primary,#6366f1)}.usage-arch-note{color:var(--text-muted);margin:var(--spacing-md) 0 0;font-size:.8rem;line-height:1.5}.usage-arch-note code{background:var(--bg-tertiary);border-radius:4px;padding:.1rem .35rem;font-size:.75rem}.usage-pricing-goal{margin-bottom:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid var(--accent-tint-35);background:var(--accent-tint-06)}.usage-pricing-pkr{color:var(--accent-secondary);font-weight:700}.usage-pricing-usd{color:var(--text-secondary);font-weight:500}.usage-pricing-note{color:var(--text-muted);margin:.35rem 0 0;font-size:.8rem}.usage-pricing-tiers{color:var(--text-secondary);margin:.5rem 0 0;padding-left:1.1rem;font-size:.875rem;line-height:1.6}.usage-pricing-tiers li+li{margin-top:.25rem}.usage-pricing-tiers strong{color:var(--text-primary)}.usage-cost-primary{color:var(--text-primary);font-weight:600}.usage-logic-hint{margin:var(--spacing-sm) 0 var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);border:1px dashed var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary);font-size:.8rem}.usage-cost-cell{line-height:1.35}.usage-cost-cell span{display:block}.usage-cost-pkr{color:var(--text-muted);font-size:.7rem}.usage-muted{color:var(--text-muted)}.usage-rate-note{margin:var(--spacing-md) 0;color:var(--text-muted);font-size:.7rem}.usage-rate-note code{font-size:.65rem}.usage-detail-costs{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color);flex-direction:column;gap:.6rem;display:flex}.usage-model-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.65rem .85rem;font-size:.8rem}.usage-model-card-title{color:var(--text-primary);margin-bottom:.4rem;font-weight:600}.usage-model-card-row{color:var(--text-secondary);justify-content:space-between;gap:1rem;margin-top:.25rem;display:flex}.usage-model-card-total{color:var(--text-primary);border-top:1px solid var(--border-color);margin-top:.45rem;padding-top:.35rem;font-weight:600}.usage-model-card-grand{background:var(--bg-tertiary)}.usage-logic-yes{color:#22c55e;font-weight:500}.usage-detail-messages h4{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.5rem;font-size:.75rem}.usage-table td{white-space:nowrap}.usage-table th{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.7rem}.usage-table tbody tr{cursor:pointer}.usage-table tbody tr:hover{background:var(--bg-hover)}.usage-table tbody tr.selected{background:var(--bg-tertiary)}.usage-badge{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary);padding:2px 8px;font-size:.7rem}.usage-channel-filters{margin:var(--spacing-md) 0 var(--spacing-sm);flex-wrap:wrap;gap:.4rem;display:flex}.usage-channel-chip{appearance:none;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;padding:.35rem .75rem;font-size:.78rem;transition:background .12s,border-color .12s,color .12s}.usage-channel-chip:hover{background:var(--bg-hover);color:var(--text-primary)}.usage-channel-chip.active{border-color:var(--accent-primary);background:var(--accent-tint-08);color:var(--text-primary);font-weight:500}.usage-type-badge{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary);white-space:nowrap;padding:2px 7px;font-size:.68rem;font-weight:500;display:inline-block}.usage-type-call{color:#0f766e;border-color:#14b8a659}.usage-type-chat{color:#10b981;border-color:#10b98159}.usage-type-session{color:#f59e0b;border-color:#f59e0b59}.usage-type-webhook{color:#8b5cf6;border-color:#8b5cf659}.usage-source-cell{flex-direction:column;align-items:flex-start;gap:.15rem;display:flex}.usage-source-detail{color:var(--text-muted);font-size:.68rem}.usage-empty,.usage-loading{text-align:center;color:var(--text-muted);padding:2rem;font-size:.9rem}.usage-error{margin:var(--spacing-md) 0;padding:var(--spacing-md);border:1px solid var(--error);border-radius:var(--radius-md);color:var(--error);background:#ef444414;font-size:.85rem}.usage-detail-overlay{z-index:100;background:#0009;justify-content:flex-end;display:flex;position:fixed;inset:0}.usage-detail{background:var(--bg-secondary);border-left:1px solid var(--border-color);width:min(520px,100%);height:100%;max-height:100dvh;box-shadow:var(--shadow-lg);flex-direction:column;min-height:0;display:flex;overflow:hidden}.usage-detail-header{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.usage-detail-body{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-gutter:stable;flex:1;min-height:0;overflow-y:auto}.usage-detail-body::-webkit-scrollbar{width:10px}.usage-detail-body::-webkit-scrollbar-track{background:var(--bg-tertiary)}.usage-detail-body::-webkit-scrollbar-thumb{background:var(--border-color);border:2px solid var(--bg-tertiary);border-radius:5px}.usage-detail-body::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.usage-detail-header h3{color:var(--text-primary);font-size:1rem}.usage-detail-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:1.4rem}.usage-detail-meta{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color);color:var(--text-secondary);grid-template-columns:1fr 1fr;gap:.5rem 1rem;font-size:.8rem;display:grid}.usage-detail-meta span.k{color:var(--text-muted)}.usage-detail-messages{padding:var(--spacing-md) var(--spacing-lg);padding-bottom:var(--spacing-xl);flex-direction:column;gap:.6rem;display:flex}.usage-msg{border-radius:var(--radius-md);max-width:92%;padding:.6rem .8rem;font-size:.85rem;line-height:1.5}.usage-msg .role{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.2rem;font-size:.65rem;display:block}.usage-msg.user{background:var(--accent-gradient);color:#fff;align-self:flex-end}.usage-msg.user .role{color:#fffc}.usage-msg.agent{background:var(--bg-card);border:1px solid var(--border-color);align-self:flex-start}.usage-msg.system{border:1px dashed var(--border-color);color:var(--text-muted);background:0 0;align-self:center;font-size:.75rem}